On Friday a fledgling group calling itself the Developers Union published an open letter to Apple, calling on the company to both expand free app trials and provide developers a livable revenue cut from the App Store.

Flitter is a new minimalist Twitter client for iPhone that offers an alternative to Twitter's standalone app, but does it bring enough to the table to unseat leading third-party titles Twitterrific and Tweetbot

The Department of Justice on Wednesday filed a brief with the U.S. Supreme Court supporting Apple's fight against a class action suit alleging that the company violates antitrust laws in regards to how it assesses app store fees, and how it decides what is hosted on the App Store.

The European Union on Thursday proposed a new set of laws governing platform holders like Apple, Amazon, and Google, intended to improve transparency and non-discrimination in relation to the smaller businesses that depend on them.

Apple now has a customer base of more than 250 million paid subscriptions across its Services offerings of Apple Music, iCloud and App Store continuing payments. Viewed against Amazon's recent announcement of 100 million Prime members, that figure is substantial. But Apple is also adding around 30 million new subscriptions every quarter.

Epic Games' "Fortnite" -- a free-to-play third-person shooter, which took off after adding a battle royale mode copying "PlayerUnknown's Battlegrounds" -- amassed over $25 million in its first 30 days after being ported to iOS devices, according to research data shared this week.

Apple's U.S. customers installed 45 new iPhone apps in 2017, a growth of 10 percent over last year, while Services revenue from In-App Purchases and Subscriptions expanded by 23 percent--driven by games, music and video streaming and dating services. And overall, Apple's U.S. App Store customers drove significantly higher revenue per user ($58) than Google Play ($38).

Though Apple featured the India-developed Froggipedia at its March 27 iPad event, the company may need to ramp up its outreach to foster more iPhone and iPad apps in the country, a report suggested on Monday.

Apple's gigantic selection of App Store apps contracted for the first time in 2017, with the online storefront shedding 5 percent of its total app count over the year, according to a report from reporting platform Appfigures.

Google's YouTube app for iOS, which provides direct access to the ubiquitous video sharing service, this week became the top grossing iPhone title on Apple's U.S. App Store, a watershed achievement eight years in the making.

Whether you're just learning, trying to get better, or looking to upgrade your equipment, the App Store offers a wide variety of apps geared towards guitarists, and after playing with a bunch of them, AppleInsider gives your our seven favorites.